Soy Peptides

Our Premium Soy Peptide Powder is a highly bioavailable protein source derived from non-GMO soybeans through advanced enzymatic hydrolysis. With a low molecular weight (<1,000 Da), this water-soluble powder is rapidly absorbed, supporting efficient nutrient utilization. Rich in essential amino acids, it offers superior emulsification, solubility, and neutral taste, free from the typical beany flavor of soy.

Soy peptides are ideal for:

Sports nutrition: Rapid protein replenishment and muscle recovery

Elderly care: Easily digestible, supporting protein intake in aging populations

Functional foods: Enhancing protein content and bioactive benefits

Cosmetics: Supporting skin hydration and anti-aging formulations

With consistent quality and bulk availability, our soy peptide powder is trusted by global health-conscious consumers and industrial formulators alike.

Amino Acid Profile

Soy peptides mirror the amino acid composition of soy protein, containing high levels of essential amino acids like lysine, tryptophan, and leucine. Non-essential amino acids such as glutamic acid and aspartic acid play key roles in metabolic processes, neurotransmitter synthesis, and maintaining intracellular pH balance.

Peptide Bond Structure

Composed of amino acids linked via peptide bonds (-CO-NH-), soy peptides exhibit specific spatial conformations that influence their biological activity, including immunomodulation, cardiovascular support, and antioxidant functions.

High Bioavailability

Due to their low molecular weight, soy peptides bypass extensive digestion, enabling faster absorption and rapid nitrogen replenishment, which is particularly beneficial post-exercise or for individuals with digestive limitations.

Hypoallergenic Properties

Enzymatic hydrolysis significantly reduces allergenicity compared with intact soy protein, making the product suitable for sensitive populations.

Cardiovascular Health

Cholesterol Regulation: Soy peptides can reduce LDL-C and triglycerides, while supporting HDL-C levels.

Blood Pressure Support: Certain peptides inhibit ACE (angiotensin-converting enzyme), promoting vasodilation and healthy blood pressure.

Glucose Metabolism

Insulin Support: Stimulates insulin secretion and improves insulin sensitivity, aiding blood sugar balance.

Enzyme Modulation: Regulates enzymes like glycogen synthase and glucose-6-phosphatase, supporting glucose utilization and glycogen storage.

Antioxidant Effects

Free Radical Scavenging: Neutralizes hydroxyl and superoxide radicals, reducing oxidative damage.

Enzyme Activation: Enhances SOD and GSH-Px activities to strengthen endogenous antioxidant defense.

Immune Support

Cellular Immunity: Promotes lymphocyte proliferation, macrophage activity, and NK cell function.

Immune Regulation: Modulates immune responses, potentially supporting autoimmune balance.

Gut Health

Microbiota Modulation: Promotes beneficial bacteria like Bifidobacteria and Lactobacilli.

Enhanced Absorption: Supports digestion and nutrient uptake without allergenic responses.

Weight Management

Lipogenesis Inhibition: Regulates lipid metabolism enzymes, reducing fat accumulation.

Satiety Promotion: Slower digestion prolongs fullness, assisting weight management.

Additional Benefits

Sleep Quality: Certain peptides support GABA production, promoting relaxation.

Liver Protection: Reduces oxidative stress in hepatocytes, supporting liver function.

Cosmetic Effects: Moisturizes skin, reduces oxidative aging, and maintains elasticity.

Food & Nutritional Products

Health foods: Soy peptide tablets, liquids, enriched milk powders

Sports nutrition: Powders, tablets, granules, functional beverages

FSMP: Liquid diets for patients or post-surgery recovery

Food additives: Improves dough elasticity, meat product cohesion, flavor enhancement

Pharmaceutical & Nutraceutical

ACE-inhibitory peptide supplements for blood pressure support

Hypolipidemic and immunomodulatory formulations for cardiovascular and metabolic health

Cosmetic & Chemical

Skincare products: Moisturizing, antioxidant, anti-aging effects

Other chemical uses: Bioactive additives in paper-making and green tanning processes

Agricultural

Animal feed: Easily digestible, nutrient-rich protein source

Plant growth: Potential plant growth regulator properties

Enzymatic Hydrolysis

1. Raw Material Pretreatment: Non-GMO soy protein isolate dissolved, pH adjusted, temperature controlled
2. Hydrolysis: Enzymes (alkaline protease, trypsin, papain) applied under controlled temperature, pH, and time
3. Purification: Filtration, decolorization, concentration, and spray drying to produce powder

Fermentation

1. Strain Selection: Yeasts, lactic acid bacteria, or molds with hydrolytic capabilities
2. Controlled Fermentation: Optimized temperature, pH, and time
3. Downstream Processing: Removal of microbial biomass, purification, concentration, and drying

Factory Scale: 70,000+ m², 6 production workshops, 10 production lines, 6,000+ tons annual capacity

Production Technology: GMP-compliant processes, advanced purification and concentration equipment

R&D Center: Independent lab with HPLC, GC, UV detectors, collaboration with research institutions

Quality Control: Systematic quality management ensuring batch traceability

Stable Raw Material Supply: Long-term partnerships with local farmers

Certifications: ISO9001, ISO22000, USDA/EU Organic, FSSC22000, HACCP, FDA, HALAL, KOSHER

International Certifications:
Jiuyuan Biotechnology has obtained numerous authoritative domestic and international certifications, including ISO9001 quality management system certification, ISO22000 food safety management system certification, USDA/EU organic certification, FSSC22000, HACCP certification, US FDA inspection certification, HALAL halal certification, and KOSHER kosher certification.

Express Under 100kg, 3- 5 days Door-to-door service easy to pick up the goods	By Sea Over 300 kg, Around 30 Days Port-to-port service professional clearance broker needed	By Air 100 kg- 1000 kg, 5- 7 days Airport-to-airport service professional clearance broker needed

Packages and Storage:

Storage: Keep in a cool, dry, and clean place. Protect from moisture and direct light.

Bulk Package: 25kg/drum.

Lead Time: 7 days after your order.

Shelf Life: 2 years.

Remark: Customized specifications can also be achieved.

If you have any questions about the product or need a free sample, please contact me via email at elsa.marketing@jiuybiotech.com or use the inquiry form below.

1. Liu, F. et al. (2018). Bioactive peptides from soy protein: A review on extraction, characterization, and health benefits. Foods, 7(9), 134. PubMed
2. Chen, Q. et al. (2023). Soy peptides and metabolic regulation: Mechanisms and clinical potential. Foods, 14(19), 3447. MDPI
3. Nakamura, Y. et al. (2021). Antidiabetic effects of soybean-derived peptides in animal and human studies. Nutrients, 13(9), 2950. PubMed
4. Fujita, H. et al. (2011). Soy peptides and immune function: Clinical nutrition research. Biosci Biotechnol Biochem, 75(4), 688–693. PubMed
5. Tanaka, M. et al. (2024). Neurobehavioral effects of soy peptides in preclinical models. Sci Rep, 14, 62534. Nature

Q1: What are the key specifications of Soy Peptide Powder?
A: Specifications include peptide content ≥80% / 90%, low molecular weight (≤20 kDa), high protein content, light yellow powder appearance, and strict microbial and heavy metal limits.

Q2: Is a Certificate of Analysis (COA) available?
A: Yes. Each batch comes with a COA detailing peptide content, molecular weight, protein content, pH, microbial and heavy metal testing.

Q3: Does the product comply with international standards?
A: Yes. Certified USDA Organic, EU Organic, ISO22000, ISO9001, FSSC22000, HACCP, HALAL, KOSHER, NON-GMO.

Q4: Is the product hypoallergenic?
A: Enzymatic hydrolysis reduces allergenicity significantly. However, individuals with severe soy allergy should exercise caution.

Q5: What are the main applications?
A: Functional foods, nutritional supplements, sports nutrition, FSMP (foods for special medical purposes), protein-fortified beverages, cosmetics, and animal feed.

Q6: What is the annual supply and lead time?
A: Annual capacity exceeds 6,000 tons. Lead time typically 4–6 weeks depending on order size. Free samples available for testing.

Q7: How should the product be stored?
A: Store in a cool, dry, dark place below 25°C. Shelf life is 24 months under proper conditions.

Q8: Are there any scientific studies supporting health benefits?
A: Yes. Studies indicate potential benefits for cardiovascular health, blood glucose regulation, antioxidant activity, immune support, gut health, weight management, and skin health. Refer to the above-listed references.

where to buy

To inquire or request a sample, contact info@jiuybiotech.com Our team is ready to help you with specifications, pricing, or customs documentation. Trust Shaanxi Jiuyuan Biotech as your supplier and move from curiosity to confidence with a clear supply and documentation promise.

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